Monzo engineer here. 99.99% of changes don't require key ceremonies. When they do, we can usually book them with a few days notice. It's normally for things like onboarding big new systems and gets planned into a project from the beginning.
The people who implemented this process are the same type of "IT/devs" or "Devops" you mention. There isn't a whole lot of throwing things over the wall to Ops, or for that matter putting up arduous processes against "normal" engineers.
The people who implemented this process are the same type of "IT/devs" or "Devops" you mention. There isn't a whole lot of throwing things over the wall to Ops, or for that matter putting up arduous processes against "normal" engineers.